<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">

    <title>Document</title>
    <style type="text/css">
    canvas {
      width: 100%;
      height: 100%;
      border: 1px solid black;
    }
  </style>
    <script src="https://unpkg.com/pdfjs-dist@1.9.426/build/pdf.min.js"></script>
    <script type="text/javascript" src="index.js"></script>
</head>
<body>
</body>
</html>
